An Israeli military source said Thursday that Israeli troops were on high alert along the Jewish state's border with Lebanon, fearing a major attack by Hizbollah fighters or a suicide bombing by Palestinians in northern Israel.

After Israel assassinated the Popular Front for the Liberation of Palestine leader Abu Ali Mustapha in his office in Ramallah on Monday, security sources were quoted by Haaretz newspaper as saying that Islamic organizations, including Hizbollah, would try to carry out revenge attacks against Israel.

Israel withdrew most of its forces from Lebanon in May 2000, following over a decade of occupation, leaving behind ruined infrastructure, orphans and minefields.

They were driven out by Hizbollah resistance fighters, and by mounting domestic pressure to end the military venture.

Israel continues to occupy the Shabaa Farms area along its border with Lebanon, and refuses to relinquish control of Syria's Golan Heights – Albawaba.com